1 . 到y轴距离等于1的点的轨迹方程为_________ .
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2022-11-11更新
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127次组卷
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2卷引用:福建省龙岩市一级校联盟(九校)联考2022-2023学年高二上学期期中考数学试题
2 . 已知圆
,
为坐标原点,动点
在圆
外,过
作圆
的切线,设切点为
.则满足条件
的点
的轨迹方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a0753502ffbcf0c501ce3fed4e607b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e0cac807d10c3dc2f00f29d1687f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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20-21高二上·上海浦东新·阶段练习
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3 . 已知等腰三角形的底边所在直线过点
,两腰所在的直线为
与
,则底边所在的直线方程是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512f4c29ff276b7f35052ad4cc255ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/792dd0689d793d49f23183182a2e96a7.png)
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